Throat space of 100 mm (more space for larger sewing projects) Automatic thread tension control Built-in thread cutter LED lighting Threading overview and threader for lower looper Differential feed - 2 to 1 gathering, 3 to 4 stretching Variable stitch length: 1 - 4 mm 3/4-thread cover stitch (2,5 mm or 5 mm) 2-thread chain stitch Threading overview and threader for lower looper Differential feed - 2 to 1 gathering, 3 to 4 stretching Variable stitch length: 1 - 4 mm 3/4-thread cover stitch (2,5 mm or 5 mm) 2-thread chain stitch